baber/WOPTO huggingface dataset:
Patent IE-51544-B1 (IE)
Title: A method and installation for purifying contaminating water
IPC: C05F9/00
Filed: 1981-09-02
Abstract: The specification discloses a method and installation for purifying waste. A tank (1) is fed with the waste and with a biological filter substrate, both of which are fermented within the tank. Pipes and ducts (17, 28) supply air to an upper aerobic fermentation region and to a lower aerobic fermentation region, and ducts (22) remove gaseous and liquid products from a middle anaerobic fermentation region. The fermentation products are removed by a sweeping worm (29) and sucked by a fan (43) through a separator (33) in which heavy particles fall out (through 40) but lighter ones are retained by the suction. The product is triturated (44) and may be dried (45, 46) and made into briquettes (51) for use as fuel.
[US4451372A]
Patent IE-40529-B1 (IE)
Title: Method of recovering sulphur dioxide
IPC: B01D53/50
Filed: 1974-10-08
Abstract: The method of recovering liquid sulphur dioxide from gases containing sulphur dioxide by washing with water in an absorption plant and then stripping off absorbed sulphur dioxide at subatmospheric pressure. Water is removed from the stripped gasesby cooling and drying and sulphur dioxide is removed by condensation. The whole system is kept at a subatmospheric pressure by pumping off residual gases after the sulphur dioxide condensation.
[SE7313965L]
Patent IE-38869-B1 (IE)
Title: Alpha-aminoacyl cephalosporin ethers
IPC: C07D501/00
Filed: 1973-11-21
Abstract: alpha -Aminoacyl cephalosporins represented by the formula HOH ¦ PARALLEL ¦ R-C-C-N ¦ NH2-O-R1 PARALLEL O ¦C=O ¦ O-R2 HOH ¦ PARALLEL ¦ R-C-C-N ¦ NH2-O-R1 PARALLEL O ¦C=O ¦ O-R2 wherein R is phenyl, substituted phenyl, thienyl or furyl, R1 is hydrogen, methyl, ethyl or 3-methyl-2-butenyl; and R2 is hydrogen or an ester forming group; are provided. When R1 is other than hydrogen and R2 is hydrogen the 3-cephem ethers provided are valuable orally effective antibiotics, especially 7-(D- alpha -phenylglycylamido)-3-methoxy-3-cephem-4-carboxylic acid. The 3-hydroxy cephalosporins (R1 = H, R2 = ester) are valuable intermediates.
[US3917588A]
Patent IE-43632-B1 (IE)
Title: Amino acid anilides having microbicidal activity
IPC: A01P3/00
Filed: 1976-09-29
Abstract: 1524599 Dressing seeds CIBA-GEIGY AG 29 Sept 1976 [30 Sept 1975 (2)] 40477/76 Heading A2Q [Also in Divisions C2 and C3] Seeds are dressed with compounds of the formula: wherein R 1 is halogen or (C 1 -C 4 ) alkyl or alkoxy, R 2 is H, halogen. (C 1 -C 3 ) alkyl or (C 1 -C 4 ) alkoxy, R 3 is H, halogen or (C 1 -C 3 ) alkyl, R 4 is H or CH 3 ; with the proviso that the total number of C atoms in R 1 , R 2 , R 3 and R 4 does not exceed 8. X is -CH 2 - or CH 3 | -CH-, R 5 is -COOR', -COSR' or R" | -CON-R"' wherein each of R', R" and R"' independently represents CH 3 or C 2 H 5 , R 6 is H or is R 7 , R 7 is (C 1 -C 6 ) alkyl which may be substituted by CN, OH or (C 1 -C 3 ) alkoxy, (C 3 -C 6 ) alkenyl which may be substituted by halogen, (C 3 -C 6 ) alkynyl or (C 3 -C 7 ) cycloalkyl, or R 6 and R together represent a (C 2 -C 6 ) alkylene or alkenylene which may be substituted by halogen or (C 1 -C 3 ) alkyl and may contain one or two heteroatoms; and salts thereof with inorganic or organic acids; to protect them from fungal attack.
Patent IE-57668-B1 (IE)
Title: A liquid crystal information storage device
IPC: C09K19/40
Filed: 1984-09-13
Abstract: A liquid crystal information storage device comprising a layer of material containing a side chain polymeric liquid crystal. At least a part of the material is heated from a viscous state above its glass transition temperature, to a fluid region in which the liquid crystalline material can readily undergo field-induced alignment. The material is addressed in this fluid region so as to achieve the selective variation in texture and orientation of molecules within the material and so record information, and the material is subsequently cooled and returned to its viscous state whereupon the information is retained.
Patent IE-57573-B1 (IE)
Title: 2-azacycloalkylthiopenem derivatives
IPC: C07D207/273
Filed: 1984-10-11
Abstract: Certain 2-azacycloalkylthio-2-penem-3-carboxylic acid compounds are useful as antibacterials for treating mammals and have the formula  I or a pharmaceutically acceptable salt thereof, wherein: R is  A is alkylene having 2-4 carbon atoms, alkylene having 2-4 carbon atoms wherein a carbon atom has an oxo substituent or alkylene having 2-4 carbon atoms wherein a methylene is replaced by oxygen, S(O)m, or N-R3; B is carbonyl, thiocarbonyl, methylene or imine; R1 is hydrogen or forms an ester group which is hydroyzed in vivo; R2 is hydrogen, formyl, alkylcarbonyl, N-alkylaminocarbonyl, N-alkylaminosulfonyl, aminosulfonyl, aminocarbonyl, alkoxycarbonyl having 2-5 carbon atoms, alkylsulfonyl, alkyl, or alkyl substituted by aminocarbonyl, alkyl-S(O)m-, hydroxyl, amino, alkylcarbonylamino, formamido or alkylsulfonylamino, wherein each alkyl has 1-4 carbon atoms; R3 is hydrogen, methyl, formyl, methylcarbonyl or methylsulfonyl; alk is alkylene having 1-4 carbon atoms; n is zero or one; and m is zero, 1 or 2.
Patent IE-61443-B1 (IE)
Title: Method for regulating plant growth using xanthates
Inventor: DANZIG MORRIS J
IPC: A01N47/06
Filed: 1988-10-04
Abstract: This invention relates to monoxanthates and dixanthates of dipropylene glycol and triethylene glycol. These xanthates increase both the rate of plant growth and the concentration of chlorophyll in the plants.
Patent IE-63192-B1 (IE)
Title: Stable alkaline labiatae antioxidant extracts
Inventor: TODD PAUL H JR
IPC: C09K15/34
Filed: 1990-08-20
Abstract: A process of preparing an alkaline solution of Labiatae antioxidants essentially free of lipids by agitating a solvent extract of the herb with an aqueous alkaline lower-aliphatic alcoholic or polyol solution thereof, separating the aqueous phase from the insoluble phase, and removing the alcohol from the aqueous phase by distillation to give a stable product with an antioxidant strength of 0.2 or more, having a pH above about 8.4, and having less than 75% having, preferably in the presence of a water-immiscible solvent, and a stable aqueous antioxidant solution of a Labiatae extract, consisting essentially of essentially all of the antioxidant substances present in the herb, which is preferably rosemary, sage, or thyme, with an antioxidant strength of 0.2 or more, and less than about 75% water, preferably having a pH between about 8.4 and about 11.8, and therefore useful for a wide variety of antioxidant purposes, including use in can liners and aqueous alkaline epoxy emulsions for preparing the same, are disclosed.
Patent IE-60408-B1 (IE)
Title: Turntable as a sitting surface for the handicapped
IPC: A61G7/10
Filed: 1989-09-26
Abstract: A flat turning plate (10) consists of a base plate (12), a cover plate (14), a support mat (16) and a retaining ring (18) which is detachably locked by means of catch studs (44) in sockets (46) of the cover plate (14), and which retains the support mat (16) on the cover plate (14). The turning plate (10) serves to turn a disabled person sitting on it into a new position. The retaining ring (18) can be detached from the cover plate (14) with little effort, in exactly the same way as the cover plate (14) can be unlocked from the base plate (12), so that the individual parts can be cleaned easily and can be put back together again with little effort and without the use of tools. 
<IMAGE>
Patent IE-64859-B1 (IE)
Title: Prosthetic bearing assembly
Inventor: ASHBY ALAN MILES
IPC: B25B27/04
Filed: 1990-12-10
Abstract: A prosthetic bearing assembly comprising a fixation element for attachment to the available anatomy, a substantially circular inner bearing component for location therein; and separate location means acting on said fixation element and said bearing component to locate them with a vernier adjustment in any one of a number of different relative circumferential positions. <IMAGE>
Patent JP-3034244-B1 (JP)
Title: 構図情報抽出装置、被写体再構成装置および画像処理システム
IPC: G06T1/00
Filed: 1999-01-07
Granted: 2000-04-17
Abstract: 【要約】
【課題】  画像から構図情報を抽出し、抽出された構図 情報に基づいて絵を再構成することができる被写体抽出 装置および構図情報抽出装置を提供することを目的とす る。
【解決手段】  構図情報抽出装置１は、外部から画像を 取得する画像入力回路２と、入力された画像から被写体 を自動的に抽出する被写体抽出回路３と、抽出された被 写体の構図情報を抽出する構図情報抽出回路４と、抽出 した構図情報を画像データベース６に格納する構図情報 格納回路５とを備える。構図情報は、画像データベース ６に蓄積され、さらにこの構図情報に基づき入力した画 像における被写体を背景画像に再配置することが可能と なる。
Patent JP-3029258-B1 (JP)
Title: 低硬度弾性体
IPC: C08L25/10
Filed: 1999-01-12
Granted: 2000-04-04
Abstract: 【要約】
【課題】  優れた難燃性を有する非ハロゲン系の低硬度 弾性体を提供する。
【解決手段】  本発明の低硬度弾性体は、ベース樹脂と しての熱可塑性樹脂と、柔軟性を付与するための軟化剤 を含み、更に、赤燐系の難燃剤２〜１０重量％と、難燃 助剤２５〜５５重量％とを含み、ＵＬ９４垂直燃焼試験 で自消性を有し、アスカーＦＰ硬度が３０〜９０であ る。この低硬度弾性体によれば、低硬度を維持したまま 優れた自消性を有するため、各種電子機器等に用いられ る樹脂製機構部品として幅広い応用が期待される。ま た、難燃剤としてハロゲン系ではなく赤燐系を使用して いるため、本発明の低硬度弾性体を焼却する際にハロゲ ン系のガスが発生せず、環境の面でも有利である。
Patent LU-102414-B1 (LU)
Title: Device for accurately measuring cutting temperature in turn-milling processing
Inventor: JINCHAO WANG
IPC: B23Q17/09
Filed: 2021-01-13
Granted: 2021-07-13
Abstract: Disclosed is a device for accurately measuring cutting temperature in turn-milling machining, including a workpiece temperature measurement sample, a conductive slip ring, a plurality of thermocouple wires, a cylindrical insulating tube, a fixed bracket and a data acquisition system, wherein first the same materials are used to prepare into the workpiece temperature measurement sample according to the material of the workpiece required for the turn-milling; when in turn-milling, one end of each of the thermocouple wires is electrically connected to the workpiece temperature measurement sample to form an instantaneous thermal junction respectively when a cutting edge of a milling cutter passes through a junction of a component I and a component II, i.e., forming a hot end of the thermocouple, and the other end of the thermocouple wire and one point on a disk near a hollow shaft form a cold end of the thermocouple, so that the workpiece temperature measurement sample, the conductive slip ring and the plurality of thermocouple wires form the thermocouple; finally, a current cutting temperature is measured. Adjusting different turn-milling parameters can accurately measure the corresponding different cutting temperatures, and finally determine the optimal turn-milling parameters for the material, thereby effectively improving machining efficiency, tool life and machining surface quality.
Patent LU-500807-B1 (LU)
Title: Device and method for testing effective potential of soil in real time during electro-osmosis process of soft clay
Inventor: Kan Xinjia
IPC: E02D3/11
Filed: 2021-04-08
Granted: 2022-04-29
Abstract: A device for testing the effective potential of soil in real time during an electro-osmosis process of soft clay comprises an electrode, wherein one or more potential tester pieces are regularly arranged outside the electrode, an insulating inner bushing is embedded between each potential tester piece and the electrode, and each potential tester piece is connected to a potential probe. A method for testing the effective potential of soil in real time during an electro-osmosis process of soft clay comprises the following steps: assembling an insulating inner bushing on the surface of an electrode, assembling potential tester pieces outside the insulating inner bushing, and connecting the potential tester pieces to potential probes; and vertically driving the electrode assembled with a device for testing the effective potential into soil, connecting the electrode to a DC power source by means of a wire, and electrifying the electrode according to design requirements to carry out electro-osmosis treatment on a soft clay foundation. The device and method of the invention overcome the defect of disturbance of potential probes, inserted into soil around an electrode, on the soil of traditional methods, and avoid errors caused by different locations of the potential probes.
Patent LU-503360-B1 (LU)
Title: Audio and video transmission system
Inventor: SUN RUI
IPC: H04N7/14
Filed: 2023-01-17
Granted: 2023-07-17
Abstract: The invention discloses an audio and video transmission system, comprising a signal acquisition terminal, an encrypted audio and video compression algorithm, a wireless terminal, a transmitting station, and a receiving terminal, wherein the signal acquisition terminal is used for multi-angle acquisition of audio and video signals; the signal acquisition terminal transmits the acquired audio and video signals to the encrypted audio and video compression algorithm; the encrypted audio and video compression algorithm performs video image noise reduction, color enhancement, and image detail improvement on the transmitted audio and video signals, and real audio and video signals are obtained. Compared with the prior art, the advantages of the invention are: the product created in the invention makes people and things who are thousands of miles away to communicate with each other by audio and video feel closer to reality. This product is the developing direction of audio and video transmission and receiving systems.
Patent NO-300198-B1 (NO)
Inventor: ULLAH ISMAT
IPC: A61K33/08
Filed: 1992-07-16
Abstract: Improved oral dosage formulations for acid-labile dideoxy purine nucleoside derivatives such as ddA, ddI, and ddG, have been developed by incorporating selected water-insoluble buffering systems in the formulation. These novel formulations provide reduced mass dosage units in the form of convenient, palatable chewable/ dispersible tablets or a dry powder sachet. The reduced mass requirement, necessary to allow tablets of reasonable size, was achieved in part by an unexpected 20 to 25% increase in drug bioavailability resulting from use of the selected buffering systems comprised of an insoluble magnesium antacid agent and either dihydroxyaluminum sodium carbonate or calcium carbonate.
Patent NO-305424-B1 (NO)
Inventor: OLINGER PHILIP M
IPC: A23L33/00
Filed: 1993-06-10
Abstract: A directly compressible xylitol granulate comprising xylitol and a physiologically acceptable, non-cariogenic binder taken from the group consisting of polymerized reducing sugars, an alkali carboxymethylcellulose and hydrogenated starch hydrolysate. The granulate is directly compressible and exhibits the taste profile, metabolic and cariostatic properties of xylitol.
Patent NO-300926-B1 (NO)
Inventor: BAILLY JEAN-CLAUDE ANDRE
IPC: C08F10/00
Filed: 1993-12-08
Abstract: The present invention relates to a proces for preparing a Ziegler-Natta type catalyst based on a vanadium compound precipitated on a MgCl2 spherical support. The catalyst preparation consists of contacting within a liquid hydrocarbon a vanadium-reducing agent chosen from organometallic compounds with a vanadium compound soluble in the liquid hydrocarbon containing at least one halogen and one alkoxy group, and with a support containing (i) MgCl2 free from Mg-C bond and (ii) an organic electron donor compound free from labile hydrogen. The support consists of spherical particles having a well-defined diameter and a narrow particle size distribution. The catalyst is particularly suitable for manufacturing in a gas phase process elastomeric copolymers of propylene.
Patent NO-309909-B1 (NO)
Title: Forlengelsesrørtilknytningshylse
Inventor: KENNEDY BRIAN S
IPC: E21B43/10
Filed: 1995-01-24
Abstract: En inntakshode-/avledersaninenstilling (290) har som funksjon å orientere og forankre multiple nzrstrenger (20) ved Y-krysset i en olje- eller gassbrenn med multiple laterale brannboringer. En viktig fordel ved dette arrangementet er å tilveiebringe kommunikasjon med multiple reservoarer eller tappe forskjellige steder inne i det samme reservoaret og muliggjøre reentring 1 disse brannboringene for remediering og stimulering. Inntakshodets (292) store boring (302) gjør det mulig for en andre brønnborings produksjons-rar (foring) (12) å passere gjennom inntil toppen av foringen (12) befinner seg i inntakshodet (292). I samsvar med et annet viktig trekk ved denne oppfinnelsen benyttes en ny foringstilknytningshylse (350). for gjenging på toppen av en lateral foring, og lokalisere, fastlåse og tilveiebringe et tetningsmottak for isolasjon av den andre brønnboringens (72) produksjonsfluider. Foringstilknytningshylsen (350) omfatter også en kjareprofll for et passende kjøreverktay (372). Foringstilknytningshylsen omfatter to sylindriske deler som, når de er sammenstilt, tilveiebringer en kjareverktøyprofil (368,369) for nedkjøring av fSringen (12) i brønnboringen. Hylsen (350) har en lokallseringsskulder (364) på den ytre overflaten for å indikere når hylsen (350) er plassert i inntakshodet (292), og et låsespor (330) som låselabber (302) fra inntakshodet (292) kan sneppe inn i for å tilveiebringe motstand når det utøves trekkraft på hylsen (350). Når hylsen (350) er på plass og kjareverktayet (372) fjernet eksponeres en innvendig låsegjenge (370) og tetningsboring (362) for en parallell tetningssammenstilling (380) (eller annet verktøy eller produksjons-rar).som kan Innsettes for isolasjon av den andre laterale brønnboringen (72). Tilveiebringelse av tetningspunktet mellom den parallelle tetningssammenstillingen (380) og hylsen (350) eliminerer behovet for å tilveiebringe en tetning i Inntakshodet (292) på den store boringens (302) side.Denne søknaden er innlevert samtidig med følgende saknader som omtaler andre sider ved denne teknikken,. nr. P950260, nr. P950278 og nr. P950279.
Patent NO-323552-B1 (NO)
Inventor: LAIRD WALTER JOSEPH
IPC: C12Q1/686
Filed: 1996-08-23
Abstract: The present invention provides a thermostable enzyme which is reversibly inactivated by chemical modification, characterized in that an incubation of said chemically modified thermostable enzyme in an aqueous buffer at alkaline pH at a temperature less than about 25 DEG C results in no significant increase in enzyme activity in less than about 20 minutes, and wherein incubation of said chemically modified enzyme in an aqueous buffer, formulated to about pH 8-9 at 25 DEG C, at a temperature greater than about 50 DEG C results in at least a two-fold increase in enzyme activity in less than about 20 minutes. The chemically modified thermostable enzyme can be used for the amplification of nucleic acids, whereby the activity of the inactivated enzyme is recovered by an incubation of the reaction mixture at an elevated temperature prior to, or as part of, the amplification reaction.
Patent NO-314371-B1 (NO)
Inventor: GEDULD GEORGE OTTO
IPC: G08G1/0967
Filed: 1996-10-21
Abstract: PCT No. PCT/EP95/01253 Sec. 371 Date Oct. 9, 1996 Sec. 102(e) Date Oct. 9, 1996 PCT Filed Apr. 6, 1995 PCT Pub. No. WO95/29471 PCT Pub. Date Nov. 2, 1995The invention concerns traffic information acquisition systems for vehicles, which systems have a first opto-electrical transceiver on the vehicle side and a second opto-electrical transceiver provided at predetermined locations in traffic lanes. The first transceiver emits a first signal and receives and decodes a second signal from the second transceiver. The second transceiver receives the first signal from the first transceiver and sends back a coded, second signal to the first transceiver. The first transceiver is in the form of a reflection-operating time-distance measuring device. The emitted optical distance-measuring pulse signal is simultaneously the signal received by the second transceiver. The second transceiver emits the second signal after a delay time following reception of the first signal. The delay time should be longer than the maximum amount of time required for a distance measurement. It is thereby ensured that a signal from the second transceiver is not erroneously interpreted as a signal reflected by a target.
Patent AT-509335-B1 (AT)
Title: Latentwärmespeicher mit klimatisierungskörpern
IPC: F28D20/02
Filed: 2010-04-06
Granted: 2011-08-15
Abstract: Die Erfindung betrifft einen Latentwärmespeicher (1), insbesondere zur Klimatisierung eines Raumes, umfassend ein mit Luftaustauschöffnungen (4) versehenes Behältnis (2), in dem sich Phasenwechselmaterial (10) befindet. Das Phasenwechselmaterial (10) ist dabei jeweils an Klimatisierungskörpern (3), welche sich in loser Schüttung im Inneren des Behältnisses (2) befinden, angeordnet.
Patent AT-511424-B1 (AT)
Title: Rastvorrichtung zum verbinden von bauteilen
Inventor: BANDION DOMINIK
IPC: B60Q1/04
Filed: 2011-04-26
Granted: 2014-06-15
Abstract: Die Erfindung betrifft eine Rastvorrichtung zum lösbaren Verbinden von zwei Bauteilen(1, 2) eines Fahrzeugscheinwerfers, wobei der erste Bauteil (1) zwei Führungselemente(3, 3') und ein dazwischen angeordnetes Rastelement (4) aufweist und derzweite Bauteil (2) zumindest zwei Öffnungen (5, 6) aufweist, wobei sich im montiertenZustand die zwei Führungselemente (3, 3') in der ersten Öffnung (5) befindenund das Rastelement (4) in der zweiten Öffnung (6) verrastet ist.
Patent AT-508403-B1 (AT)
Title: Aufzugsanlage
IPC: B66B13/14
Filed: 2010-04-22
Granted: 2014-03-15
Abstract: Die Erfindung betrifft eine Aufzugsanlage mit mehreren Schachttüren sowie mit denSchachttüren zugeordneten Verrieglungseinheiten. Die Aufzugsanlage weist weitereine Aufzugskabine (20) mit mindestens einer Kabinentür auf. Weiter weist die Aufzugsanlage eineTürantriebseinheit (40) auf, die an der Aufzugskabine (20) befestigtist. Weiter weist die Aufzugskabine eine mit der Kabinentüre (21) verbundene Türkopplungseinheit(30) zur Kopplung der Kabinentür mit einer der Kabinentür gegenüberliegendenSchachttüre auf. Hierbei umfasst die Türkopplungseinheit (30) einhorizontal von einer Geschlossenstellung in eine Offenstellung spreizbares Spreizschwertund ein Koppelelement, welches die Bewegung der Türantriebseinheit (40)auf mindestens eines der Schwertelemente des Spreizschwertes überträgt, sowieeine mechanische Rückstellvorrichtung für das Spreizschwert. Die Türkopplungseinheit(30) und die Verriegelungseinheiten sind so angeordnet, dass sich dasSpreizschwert, wenn die Aufzugskabine (20) der jeweiligen Schachttüre gegenüberliegt,im Eingriff mit der jeweiligen Verriegelungseinheit befindet und durch dasSpreizen der Schwertelemente in die Offenstellung die Schachttüre entriegelbar ist.Weiter umfasst die Aufzugsanlage eine Steuereinrichtung (50) für die Türantriebseinheitwelche die Türantriebseinheit zum Anfahren von mindestens drei unterschiedlichenPositionen ansteuert. Hierbei umfassen die Positionen eine erste Position,bei der die Kabinentüre geschlossen und das Spreizschwert geschlossen ist,eine dritte Position, bei der die Kabinentüre geöffnet ist und eine zwischen der erstenund der dritten Position angeordnete zweite Position, bei der die Kabinentüregeschlossen und das Spreizschwert geöffnet ist.
Patent BR-PI0209909-B1 (BR)
Inventor: HAN CHANG-KYUN
IPC: A61K36/716
Filed: 2002-01-04
Abstract: The present invention relates to a herbal drug composition for cartilage protection comprising plant extracts of Clematis Radix, Trichosanthis Radix, and Prunellae Spica and an optimal content of rosmarinic acid to: (i) alleviate pains; (ii) inhibit the acute/chronic inflammation, platelet/whole blood aggregation, immunocyte (B-lymphcyte and T-lymphcyte) proliferation, inflammation-inducing enzyme activities, and enzyme activities associated with degradation of joint tissue; (iii) scavenge activity of toxic active oxygen radicals; and (iv) further provide excellent cartilage protection activity to be effectively used as an anti-inflammatory agent with analgesic effects, blood circulation enhancer, arthritis therapeutic agent and cartilage protective.
Patent BR-0300075-B1 (BR)
Inventor: JUNKERS JOHN KURT
IPC: B25B21/00
Filed: 2003-01-03
Abstract: A fluid operated torque wrench has a housing having a cylinder portion (2) with a cylinder (4) having an axis (A) and a driving portion (3); two pistons (5, 8) movable in the cylinder along the axis (A) independently from one another and having piston rods (6, 9); two ratchet-lever mechanisms (15, 19) located in the driving portion (3); a drive element (18) to which both the ratchet-lever mechanisms are connected; and a fluid supply (16, 17) into the cylinder, the pistons (5, 8) being formed so that when the fluid is supplied at opposite sides of the pistons, either one ratchet-lever mechanism (15) turns and the other (19) ratchets, or vice versa. <IMAGE>